Golombek, M. P., Grant, J. A., Crumpler, L. S., Greeley, R., Arvidson, R. E., Bell, J. F. III, ...
Erosion rates derived from the Gusev cratered plains and the erosion of weak sulfates by saltating sand at Meridiani Planum are so slow that they argue that the present dry and desiccating...
Assessment of Mars Exploration Rover landing site predictions. (2006)
Golombek, M. P., Arvidson, R. E., Bell, J. F. III, Christensen, P. R., Crisp, J. A., Crumpler, L. S., ...
Comprehensive analyses of remote sensing data during the three-year effort to select the Mars Exploration Rover landing sites at Gusev crater and at Meridiani Planum correctly predicted the...
Characterization and petrologic interpretation of olivine-rich basalts at Gusev Crater, Mars (2006)
McSween, Y., Wyatt, M. B., Gellert, R., Bell, J. F., Morris, R. V., Herkenhoff, K. E., ...
Davies, A. G., Baker, V., Castano, R., Chien, S., Cichy, B., Doggett, T., ...
NASA
Discovery of a flank caldera and very young glaciation at Hecates Tholus, Mars (2005)
Hauber, E., Van Gasselt, S., Ivanov, B., Werner, S., Head, J.W., Neukum, G., ...
The majority of volcanic products on Mars are thought to be mafic and effusive. Explosive eruptions of basic to ultrabasic chemistry are expected to be common, but evidence for them is rare and...
Amphitrites Patera Studied from the Mars Express HRSC Data (2005)
Aittola, M., Raitala, J., Korteniemi, J., Greeley, R., Williams, D.A., ...
The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars (2005)
S.W. Squyres, R.E. Arvidson, J.F. Bell, J. Brückner, N.A. Cabrol, L. Richter, ...
Williams, D.A., Greeley, R., Hauber, E., Gwinner, K., Neukum, G.
We have used new compositional information on Martian basaltic rocks from the Mars Exploration Rover Spirit and data from new stereo imaging by the High Resolution Stereo Camera (HRSC) on the Mars...
Insights into Highland Patera Volcanism using Mars Express HRSC Data (2005)
Williams, D.A., Greeley, R., Zuschneid, W., Werner, S., Neukum, G., Gwinner, K., ...
We have used images obtained by the High Resolution Stereo Camera (HRSC) on the ESA Mars Express orbiter to assess geologic activity at two of Mars' highland volcanoes: Hadriaca Patera and Tyrrhena...
Wind Streaks on Venus: Preliminary Global Assessment (2004)
Greeley, R., Bender, K, Geringer, M., Weitz, C., Saunders, S., Stofan, E., ...
Wall, S.D., Rasmussen, K.R., Greeley, R.
Gathering of local information from remote platforms is often a more cost-effective way of obtaining the required data type than are local measurements. A good example is the collection of wind...
Discovery Missions in the Jovian System: Watching Ionian Vocanic Eruptions (2004)
Smythe, W.D., Lopes-Gautier, R., Ocampo, A.C., Nelson, R.M., Gautier, T.N., Fanale, F., ...
Measurement of Aerodynamic Roughness Using Radar Backscatter Over Vegetated Surfaces (2004)
Wall, S.D., Rasmussen, K.R., Greeley, R.
This paper describes a potential mechanism for remotely inferring the wind regime by using synthetic-aperture radar data to describe the roughness of the surface, and describes a project to estimate...
SRL-1: Radar Scenes of Impact Craters (2004)
Greeley, R., Blumberg, D. G., McHone, J. F., Kuzmin, R., Ivanov, B, Garvin, J., ...
Anderson, R. C., Barnes, J. R., Bell, J. F. III, Bridges, N. T., Britt, D. T., Brucker, J., ...
Mars pathfinder successfully landed at Ares Vallis on July 4, 1997 and returned 2.3 Gbits of information during 3 months of surface operations of a lander, rover, three science instruments,...
Ventifacts at the Pathfinder Landing Site (2004)
Bridges, N., Greeley, R., Haldemann, A., Herkenhoff, K., Kraft, M., Parker, T., ...
About half of the rocks at the Mars Pathfinder Ares Vallis landing site appear to be ventifacts, rocks abraded by windborne particles.
Fisher, F., Chien, S., Lo, E., Greeley, R.
In recent times, improvements in imaging technology have made available an incredible array of information in image format.
SAR Image Processing Using Artificial Intelligence Planning (2004)
Fisher, F., Chien, S., Lo, E., Greeley, R.
In recent times, improvements in imaging technology have made available an incredible array of information in image format.
SAR Image Processing Using Artificial Intelligence Planning (2004)
Fisher, F., Chein, S., Lo, E., Greeley, R.
In recent times, improvements in imaging technology have made available an incredible array of information in image format.
Venus Aerobot Multisonde Mission: Atmospheric Relay for Imaging the Surface of Venus (2004)
Kerzhanovich, V., Balaram, J., Campbell, B., Cutts, J., Gershman, R., Greeley, R., ...
Robotic exploration of surface of Venus presents many challenges because of thick atmosphere, high surface pressure and temperature.
Chien, S., Fisher, F., Mortensen, H., Lo, E., Greeley, R., Govindjee, A., ...
One important approach to enhancing software re-use is through the creation of large-scale software libraries.
Veva Discovery Mission to Venus: Exploration of Volcanoes and Atmosphere (2004)
VEVA (Venus Exploration of Volcanoes and Atmosphere) is a potential Discovery mission.
Mars Aerobot Micromission (2004)
Cutts, J., Greeley, R., Arvidson, R., Blamont, J., Blaney, D., Cameron, J., ...
Using Artificial Intelligence Planning to Automate Science Image Data Analysis (2004)
Fisher, F., Chien, S., Lo, E., Mortensen, H., Greeley, R.
In recent times, improvements in imaging technology have made available an incredible array of information in image format.
Venus Aerobot Multisonde Mission (2004)
Cutts, J., Kerzhanovich, V., Balaram, J., Campbell, B., Gershman, R., Greeley, R., ...
Robotic exploration of Venus presents many challenges because of the thick atmosphere and the high surface temperatures.
The Techsat-21 Autonomous Sciencecraft Constellation demonstration (2004)
Chien, S., Sherwood, R., Burl, M., Knight, R., Rabideau, G., Engelhardt, B., ...
The Autonomous Sciencecraft Constellation flight demonstration (ASC) will fly onboard the Air Forces's TechSat-21 constellation. Demonstration of its capabilities in a flight environment will open up...
Autonomous Science on the EO-1 Mission (2004)
Chien, S., Sherwood, R., Tran, D., Castano, R., Cichy, B., Davies, A., ...
In mid-2003, we will fly software to detect science events that will drive autonomous scene selectionon board the New Millennium Earth Observing 1 (EO-1) spacecraft. This software will demonstrate...
DEMO: autonomous science analysis, planning, and execution on the EO-1 mission (2004)
Sherwood, R., Chien, S., Tran, D., Castano, R., Cichy, B., Davies, A., ...
Bridges, N. T., Laity, J. E., Greeley, R., Phoreman, J., Eddlemon, E. E.
Wind tunnel studies are integrated with field observations to better understand the processes and rates of rock abrasion on Earth and Mars and how these factors affect ventifact morphology.
Surface Profiling of Natural Dust Devils (2004)
Metzger, S. M., Balme, M., Greeley, R., Ringrose, T., Towner, M., Zarnecki, J.
We present results from the first high-resolution near-surface profiles conducted on dust devil wind fields. These results are integrated with extensive geologic mapping to understand the factors...
Transient Liquid Water as a Mechanism for Induration of Soil Crusts on Mars (2004)
Landis, G.A., Blaney, D., Cabrol, N., Clark, B.C., Farmer, J., Grotzinger, J., ...
Rock and Soil Physical Properties at the MER Gusev Crater Landing Site: Initial Results (2004)
Richter, L., Anderson, R.C., Arvidson, R., Bell J., Biesiadecki, J., Christensen, P., ...
Surficial Deposits at Gusev Crater Along Spirit Rover Traverses (2004)
Grant, J.A., Arvidson, R., Bell III, J.F., Cabrol, N.A., Carr, M.H., Christensen, P., ...
Wind-Related Processes Detected by the Spirit Rover at Gusev Crater, Mars (2004)
Greeley, R., Squyres, S.W., Arvidson, R.E., Bartlett, P., Bell, J.F. III, Blaney, D., ...
Localization and Physical Properties Experiments Conducted by Spirit at Gusev Crater (2004)
Arvidson, R.E., Anderson, R.C., Bartlett, P., Bell III, J.F., Blaney, D., Christensen, P.R., ...
Rock and Soil Physical Properties at the MER Gusev Crater and Meridiani Planum Landing Sites (2004)
Richter, L., Arvidson, R., Bell, J., Cabrol, N., Gorevan, S., Greeley, R., ...
Rock and Soil Physical Properties at the MER Gusev Crater and Meridiani Planum Landing Sites (2004)
Richter, L., Arvidson, R., Bell, J., Cabrol, N., Ehlmann, B., Gorevan, S., ...
The Opportunity Rover's Athena Science Investigation at Meridiani Planum, Mars (2004)
Squvres, S.W., Arvidson, R.E., Bell, J.F., Brückner, J., Cabrol, N.A., Richter, L., ...
Evidence from Opportunity's Microscopic Imager for Water on Meridiani Planum (2004)
Herkenhoff, K.E., Squyres, S.W., Arvidson, R., Bass, D.S., Bell, J.F., Bertelsen, P., ...
The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars (2004)
Squyres, S. W., Arvidson, R. E., Bell, J. F., Brückner, J., Cabrol, N. A., Calvin, W., ...
Soils of eagle crater and Meridiani Planum at the Opportunity Rover landing site (2004)
Soderblom, L. A., Anderson, R. C., Arvidson, R. E., Bell, J. F., Cabrol, N. A., Calvin, W., ...
The Opportunity Rover's Athena science investigation at Meridiani Planum, Mars (2004)
Squyres, S. W., Arvidson, R. E., Bell, J. F., Brückner, J., Cabrol, N. A., Calvin, W., ...
The Opportunity Rover's Athena science investigation at Meridiani Planum, Mars (2004)
Squyres, S. W., Arvidson, R. E., Bell, J. F., Brückner, J., Cabrol, N. A., Calvin, W., ...
Evidence from Opportunity's microscopic imager for water on Meridiani Planum (2004)
Herkenhoff, K. E., Squyres, S. W., Arvidson, R., Bass, D. S., Bell, J. F., Bertelsen, P., ...
The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars (2004)
Squyres, S. W., Arvidson, R. E., Bell, J. F., Brückner, J., Cabrol, N. A., Calvin, W., ...
A close encounter with a terrestrial dust devil (2004)
Towner, M. C., Ringrose, T. J., Patel, M. R, Balme, M., Metzger, S. M., Greeley, R., ...
We report on an extremely well characterised encounter with a terrestrial dust devil, and its comparison with martian dust devils.
D. Mccleese, R. Greeley, G. Macpherson
Mars sample return missions are expected to increase progressively in their sampling sophistication from one mission to the next. The first mission will likely include scoop and/or auger sampling...
Impact Features on Europa: Results of the Galileo Europa Mission (GEM) (2001)
Moore, J. M., Asphaug, E., Belton, M. J. S., Bierhaus, B., Breneman, H.H., Brooks, S. M., ...
Geophysical Constraints on the Evolution of Mars (2001)
Spohn, T., Acuna, M.H., Breuer, D., Golombek, M., Greeley, R., Halliday, A., ...
Geological Processes and Evolution (2001)
Head, J.W., Greeley, R., Golombek, M.P., Hartmann, W.K., Hauber, E., Jaumann, R., ...
Geomorphologic Evidence for Liquid Water (2001)
Masson, P., Carr, M.H., Costard, F., Greeley, R., Hauber, E., Jaumann, R.
Besides Earth, Mars is the only planet with a record of resurfacing processes and environmental circumstancesthat indicate zhe past operation of a hydrologic cycle. However the present-day conditions...
Galileo at Io: Results from High-Resolution Imaging (2000)
McEwen, A.S., Belton, M.J.S., Breneman, H.H., Fagents, S.A., Geissler, P., Greeley, R., ...
During late 1999/early 2000, the solid state imaging experiment on the Galileo spacecraft returned more than 100 high-resolution (5 to 500 meters per pixel) images of volcanically active Io. We...
Galileo views of the geology of Callisto (2000)
Greeley, R., Klemaszewski, J.E., Wagner, R.
Callisto was imaged by the Galileo spacecraft on 10 orbits, half of which involved close flybys, producing images with resolution as high as 15 m/pixel. The Calhalla, Asgard, and Alinda multi-ring...